<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <!-- <script src="https://unpkg.com/vue@next"></script> -->
    <script src="./vue.js"></script>
  </head>

  <body>
    <div id="app">
      <p>{{ msg }}</p>
      <button v-on:click="hi('你好')">click</button>
    </div>

    <script>
      const App = {
        data: function () {
          return {
            msg: "HelloWorld",
          };
        },
        methods: {
          hi(msg) {
            alert(msg);
          },
        },
      };
      let app = Vue.createApp(App).mount("#app");
      console.log(app);
    </script>
  </body>
</html>
